This is the 2514th most frequent Japanese word.
及川
"及川" (Oikawa) is a Japanese surname meaning "reaching river" or "spreading river."
'及川' is used here as a proper noun, indicating someone's surname.
及川さんは今日も元気ですね。
Oikawa-san is lively again today.
'及川' is used here as a place name, specifically as a town name.
及川町には多くの観光名所があります。
Oikawa Town has many tourist attractions.
'及川' is used here as a surname referring to a specific individual, '及川氏'.